God's plan for enlarging His kingdom is so simple - one person telling another about the Savior. Yet we're busy and full of excuses. Just remember someone's eternal destiny is at stake. The joy you'll have when you meet that person in heaven will far exceed any discomfort you felt in sharing the gospel.
The way the world is going it's technology driven. And it isn't just driven by the old super powers it's driven by the far east and new emerging economies.